The system functions by turning smartphones into miniature seismometers, detecting the P-waves that precede destructive shaking. By aggregating data from these devices, the software can push alerts to users before the more damaging S-waves arrive. Since its initial rollout, the reach of this technology has grown from a regional experiment to a standard feature for global users in areas prone to seismic activity, including Greece and New Zealand. This latest expansion marks a significant milestone in the scale of Google’s public safety efforts, effectively increasing the density of the sensor network in previously underserved territories.
Google Extends Earthquake Alert System to 200 Global Regions
With the addition of Panama, Guatemala, and several other nations, Google’s seismic detection network now spans more than 200 countries and territories. What began as a localized pilot program in California three years ago has evolved into a massive, crowdsourced infrastructure utilizing millions of mobile devices to provide real-time warnings.
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